77841820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1327}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 187407360

約数和(自身を除く): 109565540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1327, 1676, 2095, 2654, 2933, 4190, 5308, 5866, 6635, 8380, 9289, 11732, 13270, 14665, 18578, 26540, 29330, 37156, 46445, 58660, 92890, 185780, 556013, 1112026, 2224052, 2780065, 3892091, 5560130, 7784182, 11120260, 15568364, 19460455, 38920910, 77841820]

約数ペア:

[(1, 77841820), (2, 38920910), (4, 19460455), (5, 15568364), (7, 11120260), (10, 7784182), (14, 5560130), (20, 3892091), (28, 2780065), (35, 2224052), (70, 1112026), (140, 556013), (419, 185780), (838, 92890), (1327, 58660), (1676, 46445), (2095, 37156), (2654, 29330), (2933, 26540), (4190, 18578), (5308, 14665), (5866, 13270), (6635, 11732), (8380, 9289)]